CA C-28 — Lock & Security Equipment Exam
CA · CSLB Exam
Updated 2025- Everything you need to pass your exam
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What's covered - 6 topics per exam
115 questions and answers per exam set - Exactly like your real CSLB contractor exam.
- Planning and Estimating 24%
- Doors and Hardware 18%
- Electronic Locking Systems 20%
- Mechanical Locking Systems 20%
- Safes, Vaults, Security Containers, and Video Systems 7%
- Safety 11%
See how you learn
Doors and Hardware
Common Questions
Is this updated for 2025?
Yes. All questions, code references, and study materials were last given a major update for the 2025 CSLB standards.
How long do I get access?
Enough time to take your exam 49 times — though most of our users pass on their first try! You get a full year of access for individual pass kits, or 1-year access to everything if you grab the All Licenses bundle.
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Nope — we read the dense code books so you don't have to. Just grab your phone and an internet connection. That is everything you need.
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